New Jersey's Hades has one of the longer journeys in underground U.S. metal — from power and heavy metal roots to a full thrash conversion, the Paramus band traces a lineage back to the early days of East Coast extremity while remaining active through the present.

Seattle's Hades Bellum brings a merciless black/death metal hybrid to the Pacific Northwest underground, with a name that invokes the god of the underworld alongside the Latin word for war. Founded in 2024, they're one of the newer and more aggressive acts to emerge from the city's extreme scene.

San Diego's Hadoth deals in atmospheric black metal that prioritizes enveloping darkness over sheer violence — sweeping, textured, and deliberately cold. Formed in 2024, they're a recent addition to Southern California's contemplative black metal scene.

Milwaukee's Haelm is one of the longer-running black metal acts in Wisconsin, active since 2008 and a fixture of the region's underground. Their longevity alone speaks to a dedication to the form that outlasts most contemporaries.

Out of Harrisonburg, Virginia, Haetriarchy carves out a black/death metal sound in the heart of the Shenandoah Valley since 2019 — one of the more geographically isolated extreme metal acts in the mid-Atlantic region, which perhaps explains the ferocity.

Knoxville, Tennessee's Hag Bastard throws sludge, stoner, and doom into a single foul-mouthed brew that feels native to the American South's heat and humidity. Since 2022, they've been one of the more colorfully named acts in the region's underground.

Named after the rune representing hail and disruption, Hagalaz is a black metal project that fuses raw aggression with punk's irreverence, active since 2017. Their runic namesake suggests the chaotic and destructive intent baked into their music.

Chicago's Haggathorn emerged in 2019 as part of the city's active black metal underground, bringing the thorny, aggressive character their name implies to a scene more often associated with death metal. Cold, atmospheric, and unrelenting.

Bay Area mincecore purveyors Haggus grind through ultra-short blasts of noisy, lo-fi punk and grindcore that pay homage to the UK crust and mince traditions of Agathocles and Unholy Grave. With an absurdly prolific discography of splits and EPs, they are one of the most dedicated practitioners of the global mince underground.